Update to dhcpcd-9.0.2 with the following changes:

 * Control sockets are not opened in test mode
 * privsep: no longer aborts if protocol not available
 * inet6: Don't regen temporary addresses without a state
 * inet6: Reduce RA log spam
 * dhcp6: Don't log when things consitently fail
 * inet6: Add temporary directive to slaac option [1]
 * Ensure current interface flags persist when setting a flag
 * DHCP via BPF is now aligned correctly
 * CMSG buffers are now aligned correctly
 * hostnames are no longer clobbered when being forced and a RA is recieved

[1] dhcpcd no longer looks at any possible kernel settings when deciding to
manage IPv6 temporary addresses or not. You now instruct dhcpcd to do this
in dhcpcd.conf. Playing whack-a-mole with various kernel knobs wasn't fun
and some OS's have or are removing RA and thus temporary address managemnt
from the kernel so said knobs are no longer there.


(roy)